iOS/Android: Our favorite run-tracking app (and yours) RunKeeper, available for both iOS and Android, is offering a free download of their pro version through January (normally $10). »12/30/10 9:00am 12/30/10 9:00am

Android/iPhone: RunKeeper, the exercise tracking tool that we've found to be like Nike+, only better, has hit the Android market, giving those who can run with their phone a data-rich means of tracking and planning their times, calories, distances, and more. »4/19/10 4:00am 4/19/10 4:00am

I was crazy excited about the prospects of Nike+ coming to the iPhone, having used the fitness tracking program with a nano for over a year. But that didn't happen; instead, RunKeeper did, and it's even better. »3/06/09 2:00pm 3/06/09 2:00pm